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Re: Core memory
- To: KellySt@aol.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com, David@InterWorld.com, firstname.lastname@example.org, email@example.com
- Subject: Re: Core memory
- From: T.L.G.vanderLinden@student.utwente.nl (Timothy van der Linden)
- Date: Tue, 12 Mar 1996 15:11:43 +0100
> > Why doesn't the magnetic field in the ferrite core degrade? (I assume the
> > ferrite has some resistance.)
>Have you ever known other magnets to degrade? Once magnetized, a
>material won't demagnetize unless exposed to heat above its Curie point
>or another sufficiently strong magnetic field.
Oh, now I understand, you create a permanent magnetic field just like
magnetic discs and tapes. (I though you created a current in the core) So in
fact the cores don't need to be closed completely.